2010 single by Agnes & Björn
"When You Tell the World You're Mine" is a song recorded by Swedish singers Agnes Carlsson and Björn Skifs. The song was performed at the Wedding of Victoria, Crown Princess of Sweden, and Daniel Westling on 19 June 2010.[1] It was also the official wedding song, written especially for the occasion and as a gift to the bridal couple. Before the ceremony, the title and everything concerning the song was a secret, and it was not until the actual performance that this information was revealed.